Our GLA GRO & PRO-series manifold blocks make it easy to expand CO2 distribution to up to five aquariums. Each block contains our custom built-in needle valve and bubble counter to direct supply of CO2 to an additional aquarium, independently.
DISCLAIMER: GLA manifold blocks are proprietary to GLA GRO, PRO, PRO-SS, & MINI-SS series CO2 regulators exclusively, these blocks will not work with previous GLA models or third-party regulators.
- please review DISCLAIMER below and contact us if you need assistance prior to purchase, thank you!!